A geographic region where a significant amount of coal is found.
कोयला जोन
English Usage: The coal field in that region has been a major source of employment for decades.
Hindi Usage: उस क्षेत्र का कोयला जोन दशकों से रोजगार का प्रमुख स्रोत रहा है।
koyla zon, koyla jone, koyela zon, koyla jon, koyla joan, coal zone
